Announcing Microsoft Defender Experts Suite, a integrated set of expert-led services that helps security teams keep pace with ...

Threat actors are abusing misconfigured MX records and weak DMARC/SPF policies to make phishing emails look internal, ...

Attackers exploit misconfigured email routing and weak spoof protections to send internal-looking phishing emails for ...

Microsoft announced today that it has canceled plans to impose a daily limit of 2,000 external recipients on Exchange Online ...

Cybercriminals allegedly sent 9,000+ phishing emails using Google Cloud tools, targeting 3,200 organizations by exploiting ...

Change eliminates a long-standing cap on outbound email recipients, shifting enforcement toward abuse and behavior-based ...

In the latest version of classic Outlook, users can't open encrypted emails. Microsoft confirms the issue and is investigating.

Microsoft had announced a spam protection measure for Exchange Online. The external recipient limit will not be implemented ...

Microsoft said that Office 365 tenants with weak configurations and who don't have strict anti-spoofing protection enabled ...

Microsoft will end support in 2026 for Windows 11, Office 2021, and other key products. See what’s affected, key dates, and ...

Microsoft is working to fix an Exchange Online service outage that intermittently prevents users from accessing their ...

“Successful credential compromise through phishing attacks may lead to data theft or business email compromise (BEC) attacks ...